Our East York Team

East York Office

Charles A. Stein, lll, DMD (Charlie)

Dr. Stein has been in practice serving York County since 1971. He is a graduate of York Suburban High School, Grove City College and graduated dental school at the University of Pittsburgh. He served as a dentist in the United States Navy as well. What he finds most rewarding about being a dentist is the interaction with people and the satisfaction of doing something very well. Dr. Stein has been on 10 dental mission trips- Peru, Ecuador, Honduras (5 times), Guatemala and 2 in the U.S. His hobbies include dentistry, aerobic classes, biking, skiing and pottery

Dr. Kaitlyn Katherman, DMD (Katie)

Dr. Kaitlyn Katherman grew up in Pleasantville, PA and completed her undergraduate studies at Allegheny College in Meadville, PA. After completing her undergraduate studies, she served as an AmeriCorps VISTA at the Meadville United Way. Dr. Katherman attended Lake Erie College of Osteopathic Medicine (LECOM)- School of Dental Medicine in Bradenton, FL. She graduated in 2016 with her doctorate in Dental Medicine. She holds memberships in the York Area Dental Society, Pennsylvania Dental Association, American Dental Association and Academy of General Dentistry. Dr. Katherman is in the process of incorporating the “lip and tongue release” program, the newest discipline that the Center for Dental Excellence is adding to their already extensive list of services. Dr. Katherman has a passion for community involvement which includes classroom lessons in elementary school. Beyond the office, she enjoys spending most of her time with her husband Taylor and new daughter Kelsie. She also enjoys spending time with family and friends, cooking, photography, traveling and being outdoors. Dr. Katherman loves interacting with patients of all ages and takes the time she needs to put patients at ease while receiving their dental care.

Rebecca Lentz, Dental Assistant (Becky)

Becky is a dental assistant at the Center for Dental Excellence-East York. She has been in the dental field for 34 years and at Dr. Stein’s for 24 years. Becky is a graduate of Northeastern High School and continued her education at Ricks College in Rexburg, Idaho where she studied voice. Becky values the experiences she has been able to share with patients over the years and she is a familiar and comforting presence to all of her patients. She enjoys being a mother to her 3 sons and spending as much time as she can with them. She loves the beach and reading romance novels. She loves canning and scrapbooking in her free time.

Stephanie Whittles, Dental Assistant (Steph)

Stephanie is a dental assistant at the Center for Dental Excellence-East York. She has been in the dental field since 1977. Steph is a graduate of William Penn High School. She has been with Dr. Stein for­­­ 19 years. Stephanie enjoys caring for people and because she has been here for so long, she is a familiar and soothing presence for the patients. ln her free time, she loves to travel, go kayaking, hiking and spending time with her family.

Erica Houck- RDH

Erica is a Registered Dental Hygienist at the Center for Dental Excellence-East York. She has been in the dental field since 2016 and has been with the practice for almost 2 years. Erica is a graduate from Eastern York High School and continued her education at The Pennsylvania College of Technology. She earned her Associates Degree in Dental Hygiene in 2016, followed by her Bachelor’s Degree in Dental Hygiene: Health Policy and Administration in 2018. Erica enjoys helping patients feel confident about their unique and healthy smiles. She strives to make each hygiene visit comfortable and informative, providing each patient with compassionate and personalized care. ln her free time, Erica enjoys exercising and spending time with her friends and family.

Billie Shue- RDH

Billie is a Registered Dental Hygienist at the Center for Dental Excellence-East York. After graduating from Red Lion Area Senior High School, Billie went on to get her Associates degree from Pennsylvania College of Technology in 1993. She has been a clinical hygienist for 25 years, 17 of which have been with the current practice. ln 2014, Billie took courses through Neo-Health Services and the Coulson lnstitute of Orofacial Myology. She has been administering Myofunctional Therapy (Treatment to develop a correct oral resting posture for the tongue and proper chewing and swallowing) to patients for 3 years. She loves educating her patients about their oral health and informing her patients about the importance, not only of their teeth and gums, but of how the tongue and other musculature of the mouth affect overall health. ln her free time, Billie loves spending time with her husband and son, going to the beach, shopping and socializing with friends.

Kayla Minnich- Treatment Coordinator

Kayla is the Treatment Coordinator at the Center for Dental Excellence- East York. She is a 2007 graduate of Central York High School and furthered her education at YTI Career Institute where she graduated from the Dental Assisting program with honors in 2009. Kayla was also the dental lab assistant at YTI for the dental assisting program; both Lancaster and York campuses. She moved to the front office where her clinical background was a great asset when presenting treatment. She is the first friendly face that patients see when they walk through our door and the first and last point of contact for them at the office. Kayla is always eager to answer any questions patients may have regarding their treatment, finances or insurance. ln her spare time, Kayla enjoys being outdoors, going on motorcycle rides, camping and beach trips with her husband and son.

Shirley Sprenkel, Office Manager

Shirley is the practice manager at the Center for Dental Excellence- East York. Shirley is a graduate of Dallastown Area High School and has been in the dental field for 27 years and with Dr. Stein for nearly 25 years. Ten years as business manager and fourteen years as a dental and orthodontic assistant. Shirley’s clinical assisting experience allows her to communicate effectively with the patients in all aspects from clinical, insurance to billing and finances. She has been married to her husband Aaron for 20 years. In her spare time, she enjoys quilting, crocheting, knitting, gardening, canning and camping in her RV with family and friends. She also enjoys her knitting group at her local church where they knit and crochet items for charity and those suffering from illnesses.

Britta Lipka, Dental Assistant

Britta has been a dental assistant at the Center for Dental Excellence for almost a year. She is a graduate of South Western High School and received her Diploma in Dental Assisting from YTI in 2009 and has been in the dental field for over 8 years. Britta loves to be involved in all stages of treatment and to help patients achieve the smile of their dreams. Britta, along with Dr. Katherman and Kayla are evolving the “lip and tongue release” program , the newest discipline that the Center for Dental Excellence is adding to their already extensive list of services. ln her free time, Britta enjoys riding her motorcycle, crafting, being outdoors and collecting antiques with her husband.